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It was found that with traditional fish stocks 90% overfished, sharks (along with tuna) have become the most lucrative prey for fisheries due to the value of their fins. So, with fishing scarcely profitable any more, fishing fleets around the world have joined in the hunt for them. The meat is pushed onto consumers using other names, so it is largely the shark fin trade that drives the so-called market for shark meat.

As a result, those species of sharks and rays accessible to fishing fleets are approaching extinction.

Published today, AIMS’ Annual Summary Report on Coral Reef Condition for 2021/22 shows another year of increased coral cover across much of the Reef. The report summarises the condition of coral reefs of the Great Barrier Reef (GBR) from the Long-Term Monitoring Program (LTMP) surveys of 87 reefs conducted between August 2021 and May 2022 (reported as "2022").

The increasing frequency of warming ocean temperatures and the extent of mass bleaching events highlights the critical threat climate change poses to all reefs, particularly while crown-of-thorns starfish outbreaks and tropical cyclones are also occurring. Future disturbance can reverse the observed recovery in a short amount of time.

AIMS monitoring program team leader Dr Mike Emslie

The Nuestra Señora de las Maravillas (Our Lady of Wonders) sank with a cargo of gold, silver, and gems on the western side of the Little Bahama Bank in 1656. The Spanish galleon was part of a fleet sailing to Spain from Havana with royal and privately-consigned treasures from the Americas. Failing to navigate shallow waters, however, it collided with the flagship of the fleet and hit a reef. Of the 650 people on board, only 45 survived.

Sessile organisms, such as corals where adults are immobile and their growth position is determined at settlement, are confronted by unique circumstances arising in that particular location.

In some habitats, anthropogenic effects are causing large changes in community structure, as well as the environmental conditions to which they are exposed.  On a densely populated reef space is a limited resource. One of the ways organisms can win that space is through the strategy of shape.

Devanshi Kasana, a Ph.D. candidate in the Florida International University (FIU) Predator Ecology and Conservation lab, was working with local Belizean fishers to tag tiger sharks when the surprise discovery was made.

More than 35 potentially new deep-sea species have been discovered at the Clarion-Clipperton Zone (CCZ) in the central Pacific. 

Ranging from starfish and segmented worms to sea cucumbers and various types of coral, these specimens were collected using a remotely operated vehicle.

In total, 55 benthic specimens were collected from seamounts and abyssal plains. Of these, 39 were found to be potentially new to science, with nine that were referable to known species.